SB2018102601 - Privilege escalation in X.org Server
Published: October 26, 2018 Updated: October 23, 2019
Security Bulletin ID
SB2018102601
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Privilege escalation (CVE-ID: CVE-2018-14665)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear
The vulnerability allows a local user to gain elevated privileges on the target system.
The vulnerability exists due to improper handling of two command-line options, namely -logfile and -modulepath. A local user can specify a '-modulepath' argument with an insecure path to create, overwrite or delete any files with root privileges.
Remediation
Install update from vendor's website.